The immune system<span> is made up of a network of cells, tissues, and organs that work together to protect the body. One of the important cells involved are white blood cells, also called leukocytes, which come in two basic types that combine to seek out and destroy disease-causing organisms or substances.</span>
Answer:
the public
Explanation:
anyone who asks for the information should receive it- especially the people who filed the complaint
I believe it's oxygenated or oxygen rich blood away from the heart.
Answer:
kidney
Explanation:
pancreas to regulate salt
It is 4. the reproductive cycles of males and females are regulated by hormones